Ana posted this at GB and I think it's just great news. Keepsake has now been optimized to run on new computers including Windows 10 and even better news, it is also available for the Mac! As I understand it, it only runs in windowed mode at this point with full screen in development. So if you are a Mac user and missed this great game 10 years ago, go check it out. It's on sale for $7.99 until April 24th.

I remember the puzzle well - as far as I know I'm the only person I know who solved it without using a walkthrough! The issue was with the English translation I think - the bits of dialogue describing the elements in the puzzle were the wrong way round - so it should have been an easy one to fix. It was a lovely game apart from that though!